<?php
namespace app\index\model;
class Time{
        //时间转换函数
   static public function tranTime($time) {
        $rtime = date("m-d H:i",$time);
        $rtime2 = date("Y-m-d H:i",$time);
        $htime = date("H:i",$time);
        $time = time() - $time;
        if ($time < 60) {
            $str = '刚刚';
        }
        elseif ($time < 60 * 60) {
            $min = floor($time/60);
            $str = $min.' 分钟前';
        }
        elseif ($time < 60 * 60 * 24) {
            $h = floor($time/(60*60));
            $str = $h.'小时前 ';
        }
        elseif ($time < 60 * 60 * 24 * 3) {
            $d = floor($time/(60*60*24));
            if($d==1)
                $str = '昨天 ';
            else
                $str = '前天 ';
        }
        elseif ($time < 60 * 60 * 24 * 7) {
            $d = floor($time/(60*60*24));
            $str = $d.' 天前 ';
        } elseif ($time < 60 * 60 * 24 * 30) {
            $str = $rtime;
        }
        else {
            $str = $rtime2;
        }
        return $str;
    }
}

?>